Sandal



u 2, 1960 KlYolcHl MIYAcl-n 2,947,095

' SANDAL Filed oct. 21, 1957 KIYO KH! MIYACH'I INVENTOR.

SANDAL Kiyoichi Miyachi, '408-1 Mikado-macht, Fukuyama, Hiroshima, IapanThe present invention relates to a sandal comprising a pair of sidestraps made of two strips cut from a sock liner and extending outwardlyfrom each side of the sock liner at the rear end of the latter to bethereupon united into a front strap which is secured to the middle partof the adjoining outsole.

The invention will be described in greater detail with reference to theaccompanying drawing in which Fig. 1 is a side elevational View of thesandal;

Fig. 2 is a top plan view of the sandal;

Fig. 3 is a longitudinal section through the front strap and atransverse section through the sock liner, insole and outsole of thesandal; and Y Fig. 4 is an enlarged section through a sidestrap, andthrough portions of the sock liner, insole and outsole of the sandal.

Referring now in greater detail to the drawing, and tirst to Figs. =1and 2, there is shown a` sandal whose sock liner 3 consists of an upperlayer 1 made of a l plastic material, e.g. vinyl chloride or the like,cloth or rubber, and of a backing 2 made of rubber, cloth or othersuitable material. Insole 4 and outsole 5 are made of'sponge rubber oranother suitable material; they constitute a composite sole 6.

Two narrow strips 9 and 10 are integrally connected to the outer sides 7and 8, respectively, adjacent to the rear end of the sock liner 3. Afterthe sock liner 3 is cut, strips 9 and 10 are turned over, twisted andunited so as to form a front strap 13. Thus, strips 9 and 10 Vconstitutea pair of side .straps extendingv betweenthe 4outer sides of sock liner3 adjacent to the lattersrear end, and the front strap 13. A wrappingmember 14,

made of the same material as the sock liner 3, is wound Y about theunited portions'or fronttstrap 13 of strips 9 and 10, and is sewnthereto by a thread 15. As is shown in Fig. 3, the lower end portion offront strap 13 is in-v serted into a slit 16 formed in the sock liner3adjacent to the latters `forward end, and the free ends :17, 18 of thestrips 9, 10 are then bent away from-each other into the plane of insole4 to be secured in an opening 19 provided in vthe `corresponding part ofinsole 4 be- `low the slit 16 by means of a suitable bonding agent,

e.g. gum arabic. In the manufactureV of my sandal, the front strap 13 isfirst inserted into the slit 16 whereupon the bonding agent is appliedto the underside of 'ice sock liner 3, to the upper side of insole 4, tofront ends 17, 18 of the strips 9, 10, and to the upper side of outsole5 Abeneath the opening 19. By pressing the sock liner 3 to the insole 4,the bonding agent connects these two parts and simultaneously securelyretains the front strap 13 in the opening 19 by connecting the ends 17,18 of strips 9,10, respectively, to the upper side of outsole 5'.

An important feature of the sandal is in that the straps consist'of thesame material as the sock liner and in that the front strap, surroundedby the wrapping material 14, is split at its lower end and secured tothe outsole whereby any slackening and tearing of the straps isprevented. 'Ihe sandal is quite strong and comfortable, its appearanceis pleasing to the eyeV and it may be made in any desired color. Theiront strap cannot harm the inner sides of toes as it is surrounded bythe wrapping material. If sponge rubber is employed as the material ofoutsole 5, the sandal becomes very light and absorbs water. lf rubber isalso employed as the material of backing 2, the bond between the backingand the insole on the one hand, and between the backing and the ends ofstrips 9, 10 on the other hand, is improved; therefore, any separationof the insole from the sock liner is very unlikely. A plastic materialmay be employed in summer and a uty woolen cloth may be used in winterfor Athe sock liner; accordingly, the sandal of my inventionispractical, of pleasing appearance, very comfortable, suitable for Wearin any season of the year, and may be mass-produced at low cost.

l claim:

A sandal comprising, in combination: an insole having an opening; andoutsole below said insole; a sock liner covering said insole and havinga slit above said opening; a .pair of strips integral with and eachextending from Vone outer side of said sock liner adjacent to thelatters rear end, said strips being twisted and turned over to form apair of side straps of the sandal and being connected to each other toform a front strap having a lower end portion received in said slit, andeach of said strips having a free end bent into the plane of said insoleand received in the opening therein; and means for connecting the freeends of said strips to the outsole and for connecting the sock liner tosaid insole.

References Cited inthe tile of this patent l UNITED STATES PATENTS

